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Interview question

Debug concurrency issues in a high-throughput Java service

Asked in Barclays QA Engineer interviews

Asked by

22% candidates

Difficulty

Medium

Round

Technical Round 1

AI synthesized from candidate reports

Related practice

Candidates also saw

Barclays QA Engineer — People Also Ask

Common interview prep questions from recent candidates

What questions are asked in Barclays QA Engineer interviews?
Recent candidates report role-specific technical questions, system design prompts, and behavioral STAR questions tied to ownership and impact.
How difficult is the Barclays QA Engineer interview?
Competitive — panels test depth in role fundamentals, system thinking, and communication under follow-up pressure.
What interview rounds does Barclays use for QA Engineer?
Typical loops: Resume screening → Technical → Behavioral → Offer. Timelines often run 3–6 weeks.
Is Spring Boot asked in Barclays QA Engineer interviews?
When the role involves Java or backend services, Spring Boot and API design often appear in technical rounds.
Does Barclays ask system design in QA Engineer interviews?
Mid-senior QA Engineer loops frequently include system design or architecture discussions — especially for distributed systems and scale.
Debug concurrency issues in a high-throughput Java service —… | InterviewForge AI